Most of us don't have a need for 7 channels of 200 or 300 watts but most would like at least two high powered channels and 3 or 5 lesser powered channels. I would like to see an amp with two of the 7900s channels combined with 3 or 5 of the 7125s channels. Surround speakers don't need the Oomph of the 7900 but they do need something like the 7125. I use the 7125 in my 5.1 setup and the extra channels go to zone 2 speakers on the back porch. I also have a 7500 in my northern home which is set up for two channel music at the moment. I intend to utilize both in my HT setup up north when I retire. I will probably use the 7500 to power my mains bi-amped and the center with the 7125 providing everything else. For those who don't want multiple amps a hybrid would be perfect.
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Music system
Model 990/7500/Magnepan 1.6 QRs/Technics SL1200 MK2/Aperion S-12 Subwoofer/OWA3/Sony NS75H DVD
APC H15 Power Conditioner
TV System
Large Advent Loudspeakers/ Polk center/Monoprice surrounds/Panasonic Viera 42 inch/Onkyo HT-RC260/Sony BDP S590/Directv
Home Theater System
Onkyo PR-SC886/Outlaw 7125 Klipsch RF-82 L/R,RC-62 center, RB-35 SR/SL, BENQ HT1075, Outlaw LFM1-EX/OPPO BDP-83/Directv
Harmony ONE
Blue Jeans and Monoprice interconnects
APC H15 Power Conditioner